package com.yfp.device.domain;

import lombok.Data;

import java.io.Serializable;

/**
 * 响应信息主体
 *
 *
 */
@Data
public class R<T> implements Serializable {
    private static final long serialVersionUID = 1L;

    /**
     * 成功
     */
    public static final String SUCCESS = Constants.SUCCESS;

    /**
     * 失败
     */
    public static final String FAIL = Constants.FAIL;

    private Integer code;

    private String msg;

    private T data;

    public static <T> R<T> ok() {
        return restResult(null, SUCCESS, "success");
    }

    public static <T> R<T> ok(T data) {
        return restResult(data, SUCCESS, "success");
    }

    public static <T> R<T> ok(T data, String msg) {
        return restResult(data, SUCCESS, msg);
    }

    public static <T> R<T> fail() {
        return restResult(null, FAIL, "fail");
    }

    public static <T> R<T> fail(String msg) {
        return restResult(null, FAIL, msg);
    }

    public static <T> R<T> fail(T data) {
        return restResult(data, FAIL, "fail");
    }

    public static <T> R<T> fail(T data, String msg) {
        return restResult(data, FAIL, msg);
    }

    public static <T> R<T> fail(String code, String msg) {
        return restResult(null, code, msg);
    }

    private static <T> R<T> restResult(T data, String code, String msg) {
        R<T> apiResult = new R<>();
        apiResult.setCode(Integer.parseInt(code));
        apiResult.setData(data);
        apiResult.setMsg(msg);
        return apiResult;
    }

    public static <T> Boolean isError(R<T> ret) {
        return !isSuccess(ret);
    }

    public static <T> Boolean isSuccess(R<T> ret) {
        return R.SUCCESS.equals(ret.getCode());
    }
}
